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Optoelectronic oscillator

A photonic BPSK modulation with 2.5 GHz RF signal from a microwave optoelectronic oscillator

A photonic BPSK modulation with 2.5 GHz RF signal from a microwave optoelectronic oscillator

... The optical signal of MZIM after being detected by a photodetector, results in a BPSK modulated microwave carrier. III. OPTOELECTRONIC OSCILLATOR - OEO The figure 2 shows the block diagram of OEO as ...

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A photonic QPSK modulation in 2 GHz with an RF signal from a microwave optoelectronic oscillator

A photonic QPSK modulation in 2 GHz with an RF signal from a microwave optoelectronic oscillator

... the optoelectronic compo- nents [3], [4], [5], the European Space Agency (ESA) has been conducting a program of Research and Development to study the application of photonics in satellites since 2002 ...an ...

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VCSEL Based Optoelectronic Oscillator (VBO) for 1.25 Gbit/s RZ Pulse Optical Data Generation

VCSEL Based Optoelectronic Oscillator (VBO) for 1.25 Gbit/s RZ Pulse Optical Data Generation

... Abstract— We present the implementation results of a VCSEL based optoelectronic oscillator (VBO) in terms of phase noise and time jitter in the electrical and optical domain. The electrical signal at 1.25 ...

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Low Phase Noise Digital Division by 2 and by 3 of a 30 GHz Coupled Optoelectronic Oscillator

Low Phase Noise Digital Division by 2 and by 3 of a 30 GHz Coupled Optoelectronic Oscillator

... * CNES, 18 Avenue Edouard Belin, Toulouse, France { 1 arnaud.collet, 2 olivier.llopis, 4 eric.tournier}@laas.fr, 3 Gilles.Cibiel@cnes.fr Abstract — A frequency synthesis technique based on the division of a coupled ...

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O-band and C-band VCSEL based optoelectronic oscillator (VBO) for 1.25 Gbit/s pulsed RZ-OOK and RZ-DPSK free space optical transmissions

O-band and C-band VCSEL based optoelectronic oscillator (VBO) for 1.25 Gbit/s pulsed RZ-OOK and RZ-DPSK free space optical transmissions

... Many telecommunication systems require high-frequency signals that can be used as carrier signals, synchronization patterns or in data generation. An alternative to microwave signal generation systems are ...

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Optoelectronic oscillator with delay elements in optical and RF domain

Optoelectronic oscillator with delay elements in optical and RF domain

... 1. INTRODUCTION The generation of radio frequency signals in the GHz range by optical devices have a natural compatibility with optical distribution networks and the transmission of microwave signals through optical ...

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2.49 GHz low phase-noise optoelectronic oscillator using 1.55μm VCSEL for avionics and aerospace applications

2.49 GHz low phase-noise optoelectronic oscillator using 1.55μm VCSEL for avionics and aerospace applications

... The VCSEL has threshold and rated currents of 1.58 mA and 12 mA respectively. The bias point was chosen to be at 6 mA so as to utilize the linearity of the device. The output optical power at 6 mA is 0.85 mW. The ...

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Optical disk resonator with microwave free spectral range for optoelectronic oscillator

Optical disk resonator with microwave free spectral range for optoelectronic oscillator

... the oscillator loop a long fiber optics delay line (a few km) between two optical–to–electrical convertors, ...The optoelectronic delayed feed- back loop can thus oscillate at all frequencies ...

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Phase Noise Study Based on Transfer function in Coupled Optoelectronic Oscillators

Phase Noise Study Based on Transfer function in Coupled Optoelectronic Oscillators

... noise, optoelectronic oscillators, quality factor, power spectral density ...the optoelectronic oscillator (OEO) which uses optical storage energy elements to achieve high spectral purity [1] [3] [4] ...

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Merging of optoelectronic techniques for microwave signal generation

Merging of optoelectronic techniques for microwave signal generation

... well-known optoelectronic oscillator using a long, fibered feedback loop provides a microwave signal presenting a very high spectral purity ...dual-loop optoelectronic microwave oscillator and ...

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Quartz Crystal Oscillator Classification by Dipolar Analysis

Quartz Crystal Oscillator Classification by Dipolar Analysis

... an oscillator each having its own advantages and ...the oscillator will be used in, and also by technical considerations such as: frequency range, output power range, frequency stability, output wave- form, ...

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Towards an electrically-injected optical parametric oscillator

Towards an electrically-injected optical parametric oscillator

... When a nonlinear medium is placed inside a cavity, a threshold may occur when its parametric gain exceeds losses, similarly to a laser threshold. This system is called an optical parametric oscillator (OPO). Like ...

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Controlling nanomaterial self-assembly for next generation optoelectronic applications

Controlling nanomaterial self-assembly for next generation optoelectronic applications

... We note that the peak absorption of these nanocrystals did not change during this time (Figure 2.11c), meaning any changes in the superlattice are likely due to ligand changes and not [r] ...

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Study of the optoelectronic properties of atomically thin WSe2

Study of the optoelectronic properties of atomically thin WSe2

... Dans les tungsténides tels WS2 et WSe2 au contraire, les excitons les plus bas en énergie sont construits à partir de bandes entre lesquelles les transitions optiques sont interdites car[r] ...

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Random oscillator with general Gaussian noise

Random oscillator with general Gaussian noise

... nonlinear oscillator subject to a random multiplicative noise with a spectral density (or power-spectrum) that decays as a power law at high ...the oscillator grow as power-laws with ...

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Development of novel organic optoelectronic technologies for biomedical applications

Development of novel organic optoelectronic technologies for biomedical applications

... between different wavelengths, since their optical absorption band is wide and difficult to manipulate. Organic active materials and devices have shown great potential in the tunability [r] ...

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Semiconducting Materials Based on Donor/Acceptor Units for Optoelectronic Applications

Semiconducting Materials Based on Donor/Acceptor Units for Optoelectronic Applications

... In this work, we designed, synthesized, and characterized new self-organized semiconducting materials based on donor/acceptor architectures presenting high luminescence[r] ...

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A pulsed crystal oscillator range calibrator

A pulsed crystal oscillator range calibrator

... L’accès à ce site Web et l’utilisation de son contenu sont assujettis aux conditions présentées dans le site LISEZ CES CONDITIONS ATTENTIVEMENT AVANT D’UTILISER CE SITE WEB. NRC Publicat[r] ...

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Force Sensing with an Optomechanical Self-Oscillator

Force Sensing with an Optomechanical Self-Oscillator

... a thickness of 200 nm. Let us first examine the condi- tions to transform such a resonator into an optomechanical self-oscillator. Figure 2(b) shows a series of rf spectra of the output light of the optomechanical ...

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Jamming applications of a periodically quenched oscillator

Jamming applications of a periodically quenched oscillator

... L’accès à ce site Web et l’utilisation de son contenu sont assujettis aux conditions présentées dans le site LISEZ CES CONDITIONS ATTENTIVEMENT AVANT D’UTILISER CE SITE WEB. NRC Publicat[r] ...

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